Cardiovascular Medical Group of Southern California (CVMG)
Attack Intelligence
Cardiovascular Medical Group of Southern California (CVMG) was compromised in a ransomware attack attributed to sinobi in January 2026. The organization, operating in the Healthcare sector in United States, was added to the group's data leak site as part of an extortion campaign.
sinobi operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
Cardiovascular Medical Group of Southern California provides a comprehensive range of cardiovascular services, including diagnostic testing, disease management, and advanced treatments for patients of all ages. Their board-certified physicians specialize in cardiology and internal medicine, ensuring expert care and a focus on preventing heart disease. The clinic leverages the latest medical technologies to support patient health and offers accessible virtual services such as electronic appointment requests and test results. Their commitment to personalized care is evident in their strong physician-patient relationships and partnerships with renowned medical institutions.